Water Supply System
The reservoir is formed by an earth-filled dam spanning the North Branch Pawtuxet River, about 3200 feet (975 m) long by 100 feet (30 m) high. An aqueduct from the dam carries water to a nearby treatment plant, which filters the water. Two major aqueducts carry the water from the plant into the distribution system. The original 90-inch (2,300 mm) aqueduct is 4.5 miles (7.2 km) long and ends at the siphon chamber in Cranston, where it splits into a series of smaller and smaller conduits that supply the water delivery system. The other 78- and 102-inch (2,600 mm) aqueduct is 9.5 miles (15.3 km) long and was built in the 1970s to supplement the original aqueduct. 75% of distribution is by gravity and 25% by pumping. The system consists of 870 miles (1400 km) of water mains.
Read more about this topic: Scituate Reservoir
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